To avoid counting the same output more than once the calculation ofGDP includes: A) intermidiate goods plus final goods. B) only the value of final...

To avoid counting the same output more than once the calculation ofGDP includes:

A) intermidiate goods plus final goods.

B) only the value of final goods.

C)the value added at each stage of production plus intermediategoods

D) only the output producced by U.S factors of production.